Egzon Pllana Portfolio
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Tagged: Caching

2 articles tagged “Caching”.

All articles
17 min read

How Big-Name Companies Check Username Availability in Milliseconds

It is not a search, it is a keyed existence lookup. How indexes, Bloom filters, and caches make the check instant, and why correctness lives somewhere else entirely.

3 min read

From Network Chaos to Cached Harmony

How I replaced scattered, redundant contact API calls with a multi-layered, reactive caching architecture in a SwiftUI app using Clean Architecture.